JF

Joji Fujiwara

PA Panasonic: 18 patents #1,184 of 21,108Top 6%
SC Skyworks Filter Solutions Japan Co.: 14 patents #2 of 29Top 7%
SC Skyworks Panasonic Filter Solutions Japan Co.: 10 patents #3 of 27Top 15%
SS Skyworks Solutions: 7 patents #222 of 948Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Suita, JP: #12 of 1,253 inventorsTop 1%
Overall (All Time): #53,781 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
9203376 Ladder-type surface acoustic wave filter and duplexer including the same Tetsuya Tsurunari, Hiroyuki Nakamura, Hidekazu Nakanishi 2015-12-01
9203378 Elastic wave filter, and duplexer and electronic device using same Tetsuya Tsurunari, Hiroyuki Nakamura, Rei Goto 2015-12-01
9166558 High-frequency filter Tetsuya Tsurunari, Tomoya Komatsu, Hiroyuki Nakamura 2015-10-20
9136458 Elastic wave element Tomoya Komatsu, Hiroyuki Nakamura, Tetsuya Tsurunari, Hidekazu Nakanishi 2015-09-15
9083314 Elastic wave filter device and antenna duplexer using same Tetsuya Tsurunari, Hiroyuki Nakamura 2015-07-14
9065424 Acoustic wave device with reduced higher order transverse modes Hidekazu Nakanishi, Hiroyuki Nakamura, Tetsuya Tsurunari 2015-06-23
8994472 Antenna duplexer Toru Yamaji, Kazunori Nishimura, Hiroyuki Nakamura 2015-03-31
8698578 Acoustic wave resonator and duplexer using same Hidekazu Nakanishi, Hiroyuki Nakamura, Tetsuya Tsurunari, Rei Goto 2014-04-15
8686809 Ladder-type filter including a dielectric film having a side surface with a heightwise inclination Tetsuya Tsurunari, Hiroyuki Nakamura 2014-04-01
8618992 Antenna duplexer and communication device using the same Tetsuya Tsurunari, Hiroyuki Nakamura 2013-12-31
8531254 Elastic wave device Toru Yamaji, Koji Kawakita, Tetsuya Tsurunari, Toru Jibu 2013-09-10
8531252 Antenna duplexer and communication apparatus employing the same Hiroyuki Nakamura, Tetsuya Tsurunari 2013-09-10
8487720 Acoustic wave resonator and acoustic wave filter using the same Tetsuya Tsurunari, Hiroyuki Nakamura 2013-07-16
8482363 Surface acoustic wave filter device, duplexer including the same, and electronic apparatus including the same Tetsuya Tsurunari, Hiroyuki Nakamura, Rei Goto 2013-07-09
8476991 Elastic wave resonator, elastic wave filter, and antenna sharing device using the same Rei Goto, Yosuke Hamaoka, Hiroyuki Nakamura, Tetsuya Tsurunari 2013-07-02
8436778 Antenna duplexer and communication device using the same Tetsuya Tsurunari, Hiroyuki Nakamura 2013-05-07
8427259 Elastic wave filter, and duplexer and electronic device using same Tetsuya Tsurunari, Hiroyuki Nakamura, Rei Goto 2013-04-23
8384495 Acoustic wave duplexer Tetsuya Tsurunari, Hiroyuki Nakamura, Rei Goto 2013-02-26
8368486 Duplexer Tetsuya Tsurunari, Hiroyuki Nakamura 2013-02-05
8330553 Duplexer Tetsuya Tsurunari, Hiroyuki Nakamura 2012-12-11
7898360 Surface acoustic wave filter and surface acoustic wave duplexer Daisuke Mitani, Hiroyuki Nakamura, Toru Jibu 2011-03-01
7792496 Transmitter receiver unit and electronic apparatus using same Michiaki Tsuneoka 2010-09-07
7659604 Module component and method for manufacturing the same Tsuyoshi Himori, Michiaki Tsuneoka 2010-02-09
7595703 Balun and electronic device using this Michiaki Tsuneoka 2009-09-29
7187071 Composite electronic component Michiaki Tsuneoka, Yasuhiro Sugaya, Masaaki Katsumata 2007-03-06